The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 09, 2000
Filed:
Aug. 03, 1993
Applicant:
Inventors:
William S Yamanashi, Tulsa, OK (US);
Arun Angelo Patil, Omaha, NE (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
606 45 ; 606 49 ;
Abstract
A surgical tool for surgically treating tissue in a patient comprising a radio frequency power generator for creating an alternating current having an impedance matching circuit connected thereto for matching the impedance of a surgical instrument with the radio frequency generator. A loading and tuning coil is connected to a watts/ampere meter which is connected to the impedance matching circuit. The loading and tuning coil is connected to a surgical instrument which has a tip for focusing the radio frequency current at the region of the tissue such that the tissue being contacted is instantaneously vaporized and cut and/or cauterized.